package com.fl.springcloud.service.impl;

import cn.hutool.core.util.IdUtil;
import com.fl.springcloud.dao.PayMentDao;
import com.fl.springcloud.entities.PayMent;
import com.fl.springcloud.service.PaymentService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import com.netflix.ribbon.proxy.annotation.Hystrix;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;

import javax.annotation.Resource;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;

@Service
@Component
public class PaymentServiceImp implements PaymentService {
    @Resource
    private PayMentDao dao;
    /*
     * @author fanlei
     * @Date 2021/2/17 16:59
     * @Param [payMent]
     * @return int
     **/
    @Override
    public int save(PayMent payMent) {
        return dao.save(payMent);
    }
    /*
     * @author fanlei
     * @Date 2021/2/17 16:59
     * @Param [id]
     * @return com.fl.springcloud.entities.PayMent
     **/
    @Override
    public PayMent getPaymentById(Long id) {
        return dao.getPaymentById(id);
    }

    @Override
    public String payment_ok(Integer id) {
        return "线程池:"+Thread.currentThread().getName()+"payment_ok:id=> "+id;
    }

    @Override
    @HystrixCommand(fallbackMethod = "payment_timeoutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "4000")
    })//线程等待时间超过4m则执行payment_timeoutHandler
    public String payment_timeout( Integer id) {
        int timeNumber = id;
        try {
            TimeUnit.SECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池:"+Thread.currentThread().getName()+"payment_timeout 睡眠"+timeNumber+"秒:id=> "+id;
    }

    public String payment_timeoutHandler(@PathVariable("id") Integer id){
        return "线程池:"+Thread.currentThread().getName()+"=>8001系統超時或错误! /(ㄒoㄒ)/~~ id=> "+id;
    }
    @Override
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),// 是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),// 请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"), // 时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),// 失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id)
    {
        if(id < 0)
        {
            throw new RuntimeException("******id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName()+"\t"+"调用成功，流水号: " + serialNumber;
    }
    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id)
    {
        return "id 不能负数，请稍后再试，/(ㄒoㄒ)/~~   id: " +id;
    }
}
